A fistful of relays
Build log
Architecture
Schematic
Construction
Programmer’s cheat sheet
Sample programs
Comparison of modern relay computers
Links
List of the relay computers on hackaday
Computers
Harry Porter’s Relay Computer
Relay Computer Two
RC-3 Relay Computer
Edmund Berkeley’s Simon Relay Processor
TIM
DUO 14 Premium
Relay computer “trainer”
i² 8-Bit Relay Computer
Kilian Leonhardt’s relay computer
Der Relaisrechner
Zusie
DAVIAC-1
Work in progress
MERCIA
Paul Laws’s Relay computer
A relay computer on hat rails
RISC Relay CPU
Clicks - 16 bit Relay Computer
Von-Neumann 16-bit relay computer with Brainfuck++ instruction set
Clickety Clack
Other relay devices
Relay Calculating Engine
4-bit adder